﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CalculatingReactangleArea
{
    class Program
    {
        static void Main(string[] args)
        {
            double width = 10;
            double height = 20;
            double area = width * height;
            Console.WriteLine(area);
        }
    }
}
